United Flight UA1640 Deals & Information (2024/2025)

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United Flight 1640 Route Deals From $474

The cheapest prices found with in the last 7 days for return flights were $890 and $474 for one-way flights to George Bush Intercontinental for the period specified. Prices and availability are subject to change. Additional terms apply.

Mon, Apr 29 - Mon, May 6
SAN
San Diego Intl.
IAH
George Bush Intercontinental
$890 Roundtrip, just found
$890
Roundtrip
just found
Select United flight, departing Mon, Apr 29 from San Diego Intl. to George Bush Intercontinental, returning Mon, May 6, priced at $890 just found

More United Flight For This Route

CarrierFlightDepart SANArrive IAHFri
4/26		Sat
4/27		Sun
4/28		Mon
4/29		Tue
4/30		Wed
5/1		Thu
5/2		Stops
UA247208:00 am01:13 pmCheck FareCheck FareCheck FareCheck FareCheck FareCheck FareCheck Fare
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UA147810:00 am03:13 pmCheck FareCheck FareCheck FareCheck FareCheck FareCheck FareCheck Fare
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UA164000:08 pm05:20 pmCheck FareCheck FareCheck FareCheck FareCheck FareCheck FareCheck Fare
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UA209201:52 pm07:05 pmCheck FareCheck FareCheck FareCheck FareCheck FareCheck Fare
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UA23904:49 pm10:00 pmCheck Fare
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UA43201:57 pm07:10 pm
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Frequently asked questions

What route does flight number UA1640 take?
UA1640 flies direct from Las Vegas, NV Airport (LAS-McCarran Intl.) to IAH. During this trip, expect to be in the air for around 3 hours and 3 minutes. Book ahead to lock in your preferred seat.
How often is UA1640 on time?
If you’re flying on United Airlines flight number UA1640 between LAS and Houston Airport, it’s comforting to know that 81% of these trips arrive on time. If your plane does happen to be delayed, expect an average wait time of approximately 37 minutes. This route has a star rating of 1.9.
What terminal does UA1640 fly out of?
You’ll likely be jetting out of Terminal 3 if you’re traveling on flight number UA1640 direct from Las Vegas, NV Airport (LAS-McCarran Intl.) to Houston Airport.
What kind of plane is on flight number UA1640?
The route for UA1640 is predominantly LAS to IAH, and the Boeing 737-900 is the aircraft model you’ll probably be traveling aboard.
If I am not able to travel due to COVID-19, can I change my flight to a later date?
For more info about changing your UA1640 flight with Travelocity, please visit our Customer Service Portal.